[inseparable changes from patch from perl5.003_15 to perl5.003_16]

[inseparable changes from patch from perl5.003_15 to perl5.003_16]

 CORE PORTABILITY

Subject: _13: patches for unicos/unicosmk
Date: Fri, 20 Dec 1996 14:38:50 -0600
From: Dean Roehrich <roehrich@cray.com>
Files: Configure MANIFEST hints/unicos.sh hints/unicosmk.sh

    private-msgid: <199612202038.OAA22805@poplar.cray.com>

 LIBRARY AND EXTENSIONS

Subject: Refresh IO to 1.14
From: Graham Barr <gbarr@ti.com>
Files: MANIFEST ext/IO/IO.xs ext/IO/README ext/IO/lib/IO/File.pm ext/IO/lib/IO/Handle.pm ext/IO/lib/IO/Pipe.pm ext/IO/lib/IO/Seekable.pm ext/IO/lib/IO/Select.pm ext/IO/lib/IO/Socket.pm t/lib/io_dup.t t/lib/io_pipe.t t/lib/io_sel.t t/lib/io_sock.t t/lib/io_tell.t t/lib/io_udp.t t/lib/io_xs.t

 OTHER CORE CHANGES

Subject: Fix 'foreach(@ARGV) { while (<>) { push @p,$_ } }'
From: Chip Salzenberg <chip@atlantic.net>
Files: cop.h pp_hot.c scope.c

Subject: Eliminate warnings from C< undef $x; $x OP= "foo" >
From: Chip Salzenberg <chip@atlantic.net>
Files: doop.c pp.c pp.h pp_hot.c

Subject: Try again to improve method caching
Date: Mon, 23 Dec 1996 20:13:56 -0500 (EST)
From: Ilya Zakharevich <ilya@math.ohio-state.edu>
Files: gv.c sv.c
Msg-ID: <199612240113.UAA09487@monk.mps.ohio-state.edu>

    (applied based on p5p patch as commit 81c78688fe5c3927ad37ba29de14c86e38120317)

Subject: Be more careful about 'o' magic memory management
From: Chip Salzenberg <chip@atlantic.net>
Files: mg.c sv.c

Subject: Fix bad pointer refs when localized object loses magic
From: Chip Salzenberg <chip@atlantic.net>
Files: scope.c